Flowmeters Welcome to Environmental technologies Flow and Instrumentation division. We are a leading product and solutions provider of Flow, Pressure and Instrumentation products into a wide range of markets. Environmental Technologies brings over 30 years of Knowledge to the market place and is able to offer the most suitable product or system, depending on application and budget. We hold a wide selection of stock items at our Yorkshire site and we have total in house ability to provide CAD, electronic design, fabrication, workshop and testing.